82750563 has 36 divisors (see below), whose sum is σ = 143552448. Its totient is φ = 45753120.

The previous prime is 82750541. The next prime is 82750579. The reversal of 82750563 is 36505728.

It is not a de Polignac number, because 82750563 - 2⁸ = 82750307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82750513) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10645 + ... + 16697.

It is an arithmetic number, because the mean of its divisors is an integer number (3987568).

Almost surely, 2^82750563 is an apocalyptic number.

82750563 is a deficient number, since it is larger than the sum of its proper divisors (60801885).

82750563 is a wasteful number, since it uses less digits than its factorization.

82750563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6094 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 82750563 is about 9096.7336445562. The cubic root of 82750563 is about 435.7696560543.

The spelling of 82750563 in words is "eighty-two million, seven hundred fifty thousand, five hundred sixty-three".